mirror of
https://github.com/bluekitchen/btstack.git
synced 2025-01-01 09:08:06 +00:00
64 lines
1.3 KiB
Python
Executable File
64 lines
1.3 KiB
Python
Executable File
#!/usr/bin/env python3
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# BlueKitchen GmbH (c) 2017
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# primitive dump for .tlv format
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import sys
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def read_net_32(f):
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a = f.read(1)
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if not a:
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return -1
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b = f.read(1)
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if not b:
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return -1
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c = f.read(1)
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if not c:
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return -1
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d = f.read(1)
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if not d:
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return -1
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return ord(a) << 24 | ord(b) << 16 | ord(c) << 8 | ord(d)
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def as_hex(data):
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str_list = []
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for byte in data:
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str_list.append("{0:02x} ".format(byte))
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return ''.join(str_list)
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if len(sys.argv) == 1:
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print('Dump TLV file')
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print('Copyright 2017, BlueKitchen GmbH')
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print('')
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print('Usage: ', sys.argv[0], 'file.tlv')
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exit(0)
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infile = sys.argv[1]
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with open(infile, 'rb') as fin:
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pos = 0
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# check header
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magic_0 = read_net_32(fin)
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magic_1 = read_net_32(fin)
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if magic_0 != 0x42547374 or magic_1 != 0x61636b00:
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print("%x" % magic_0)
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print("%x" % magic_1)
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print("Not a valid BTstack .tlv file\n")
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exit(0)
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pos += 8
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print("Valid .tlv file")
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while True:
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tag = read_net_32(fin)
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if tag < 0:
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break
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pos += 4
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len = read_net_32(fin)
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pos += 4
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packet = fin.read(len)
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pos += len
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print('%04x: ' % tag + as_hex(packet))
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print("Done")
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